Abstract: Drainage body surface units are known with conical spacer elements which are connected together via a base. The spacer elements have casing surfaces which run undulating in cross-section, comprising successive wave peaks and wave troughs. In order to guarantee as high a strength as possible with as little material usage as possible, a construction is proposed in which the wave peaks transform into the wave troughs via transitional regions, wherein the transitional regions have a smaller material thickness than the wave troughs.

Abstract: High flow capacity corrugated coilable dual wall plastic pipe having improved longitudinal flexibility and a bend radius sufficient to permit coiling and plowing of such pipe into the ground using automated installation equipment. The coilable dual wall pipe has an outer corrugated wall formed of a thermoplastic material such as high density polyethylene, and an inner smooth wall formed of a different more flexible and resilient thermo-bondable material that has an enhanced strain capacity and lower modulus of elasticity. The inner wall material also has enhanced mechanical properties which generally improve processing and help prevent excessive drag and tearing of the liner material during the manufacturing process.

Abstract: A fluid tube is disclosed herein. The breathing circuit tube has a wall which comprises a hollow geometry. The wall defines a passageway with a central longitudinal axis therethrough. The wall is expandable and contractible to adjust a diameter and a length of the passageway. The wall includes one or more corrugations that expand and contract to adjust the diameter and length of the passageway. The corrugations extend between terminal end portions of the wall.

Abstract: An intercooler pipe for a vehicle may include an inlet which is positioned at an upper portion of the intercooler pipe; an upper bellows portion which forms an upper bellows body that protrudes in a rib shape from a surface of a pipe body extended in a direction toward the inlet; an outlet which is positioned at a lower portion of the intercooler pipe; a lower bellows portion which forms a lower bellows body that protrudes in a rib shape from a surface of the pipe body extended in a direction toward the outlet; and an intermediate portion which has the pipe body bent downward from the upper bellows portion and connected to the lower bellows portion, wherein a thickness of the pipe body of the intermediate portion is greater than a thickness of the upper bellows body and a thickness of the lower bellows body.

Abstract: Condensation or “rain-out” is a problem in medical circuits and previous attempts to manage and/or prevent rain-out have resulted in relatively expensive and/or difficult to manufacture medical circuit components. The subject patent provides an improved medical circuit component for managing rain-out. In particular the component may be an improved breathing tube, or insufflation system limb comprising a helically corrugated tube preferably incorporating a heater wire.

Abstract: One aspect of the invention provides an energy dissipative tube including: a length of corrugated stainless steel tubing; a conductive resin layer adjacent to the outside of the tubing; and an insulative resin layer adjacent to the conductive layer. Another aspect of the invention provides an energy dissipative tube consisting of: a length of corrugated stainless steel tubing; a conductive thermoplastic polymer layer adjacent to the outside of the tubing, the conductive thermoplastic polymer layer having a volume resistivity of less than about 106 ohm-cm; and an insulative resin layer adjacent to the conductive layer.

Abstract: A method for protecting a length of flexible audio wire. The method includes providing at least one elongated hollow tube with a core and a resiliently-separable slit that provides access to the tube core. The tube is axially-flexible. The method also includes receiving the length of flexible audio wire within the hollow tube core through the resiliently-separable slit.

Abstract: A vacuum cleaner nozzle having a flexible bellow arrangement for connecting a nozzle inlet to a nozzle outlet. The bellow arrangement has a flat inside surface.

Abstract: A nebulizer and a method of breathing using the nebulizer is described. The nebulizer and breathing techniques are capable of delivering medicament into the sinus cavity of a user.

Abstract: A corrugated pipe includes an annular corrugated pipe body made of resilient material circumscribing a hollow conduit and including alternating annular ribs and annular valleys extending along a longitudinal axis thereof. At least one protuberance integral with the pipe body and having a protuberance sidewall extends radially outward from a modified annular rib to an apex positioned outwardly from the modified annular rib, the protuberance sidewall extends into the valleys immediately adjacent the modified annular rib.

Abstract: A wire harness exterior member has a plurality of specified sections set along a tubular body longitudinal direction of a body portion, and the body portion has, for each specified section, a resin characterized portion molded using a resin material having characteristics adapted to the corresponding specified section.

Abstract: Novel polymer shrink tubes, such as fluoropolymer shrink tubes and novel uses thereof. The polymer shrink tubes include at least one three-dimensional pattern formed along at least a portion of the inner surface of the tube. The polymer shrink tubes can be used for, for example, embossing a pattern into a polymer tube. Further use includes, for example, forming a catheter with at least one channel located in the catheter wall.

Abstract: Rotary shaft seals are disclosed herein. An example apparatus includes a valve body and a shaft extending into the valve body. The shaft is to rotate relative to the valve body. The example apparatus also includes a seal. The seal is disposed outside of the valve body and fixedly coupled to the valve body and the shaft to provide a fluid seal between the shaft and a cavity within the valve body.

Abstract: A faucet is provided. The faucet has a spout and a sprayhead releasably coupled to the spout. A hose having a magnetically responsive collar thereon provides fluid through the spout to the sprayhead. A magnet is located in the faucet such that when the sprayhead is coupled to the spout, the collar magnetically couples to the magnet, thereby applying sufficient magnetic force to the hose to retain the sprayhead against the spout.

Abstract: A mold for manufacturing a climate control duct, which has a protrusion formed on an outer peripheral surface thereof and is formed from a foamed resin, includes a groove provided on at least a part of a surface of the mold for transfer of a shape of the protrusion. The groove of the mold satisfies a relation D<W<4×D, in which W represents a width of the groove and D represents a depth of the groove.

Abstract: A gas mist pressure bathing system for preparing a gas mist by pulverizing and dissolving a gas including carbon dioxide or oxygen or a mixed gas of carbon dioxide and oxygen, and a liquid, and causing the gas mist to directly contact skin and mucous membrane of a living organism, includes a gas supply device, a gas mist generating device having a liquid storage, a nozzle discharging the gas, and a liquid sucking pipe for sending the liquid to the nozzle, a covering member for covering the skin and mucous membrane, sensors, and a control device. The gas mist generating device further includes a gas introduction device for supplying the gas into the gas mist generating device, and generating an air current guiding the gas mist to the covering member to increase supplying pressure of the gas mist into the covering member.

Abstract: A flexible pipeline for transporting a pressurized flowable medium, includes two pipes of metal which are undulated transversely of their longitudinal direction, an inner pipe and an outer pipe which are arranged concentrically relative to each other with the inclusion of an annular gap. A vacuum insulation is arranged in the annular gap between the two pipes. On the other side of the inner pipe is mounted a tension proof reinforcement which is connected at both ends of the inner pipe fixedly to the inner pipe.

Abstract: A pipe for underwater transportation of fluid is indicated which includes a pressure-tight metal inner pipe for conducting the fluid, wherein for its stabilization in radial direction at least one profiled metal strand and for stabilizing in the axial direction at least one tension-proof strand are wound around the inner pipe. The inner pipe (1) is a metal pipe which is corrugated transversely of its longitudinal direction and which for stabilization in the radial direction is surrounded by at least one first radial reinforcement (3) which is composed of a profiled helically extending profile strip whose windings are placed closely next to each other or engage each other and are hooked together. Arranged around the first radial reinforcement (3) is arranged a metal pipe corrugated transversely of its longitudinal direction as the outer pipe (5); at least two layers of tension-proof strands (7, 8) are wound around the outer pipe (5), preferably with oppositely directed pitch.

Abstract: A self-actuated linearly retractable and extendible hose for use in transporting fluids (liquids, gases, solid particles, and combinations of these) between a source location and an output location can be implemented as an extendible hose comprising a biasing element, a sealing layer, and a reinforced cover layer. The sealing layer forms a sealed conduit for transporting the fluids, and the reinforced cover layer on the outside provides radial and longitudinal strength for the sealing layer. The hose can be operated by increasing internal pressure within the hose relative to ambient pressure. When the hose is pressurized by a fluid source, the internal pressure of the hose overcomes the retracting force of the biasing element and the hose extends. When the fluid source is turned off or disconnected from the hose, internal pressure is reduced and the biasing element exerts a tension force on the hose causing the hose to retract.

Abstract: The invention relates to a vibration absorbing pipe for a refrigeration compressor including: a corrugated pipe; a first connection pipe having concavo and convex portions; a wire braided net adapted to be fitted to the outer peripheral surfaces of the corrugated pipe and the first connection pipe; and a first compression ring having concavo and convex portions formed on the inner peripheral surface thereof in such a manner as to be compressed against the front end periphery of the wire braided net located just on the top of the first connection pipe, wherein the first connection pipe has an adjusting groove formed on one side outer peripheral surface thereof, so that through the width adjustment of the adjusting groove, a thickness of one side bonding portion of the first connection pipe is the same as a thickness of one side bonding portion of the corrugated pipe.

Abstract: A tubing incorporated into a vehicle fuel tank system including an elongated and flexible tubular shaped body having a hollow interior exhibiting pluralities of alternating inner and outer diameter spaced locations. The inner diameter locations exhibit a first plurality of annularly projecting ribs, the outer diameter locations exhibiting a second plurality of ribs exhibiting a larger dimension. In this fashion, a plurality of individual tubing sections are incorporated into each of gas vapor (outflow) vent lines and fresh intake air (inflow) lines such that an inner airflow profile is established within the body to retard the generation of sound associated with volumetric airflow.

Abstract: The invention provides a fluid transfer pipe for filling a cooling circuit of a motor vehicle, and the method for manufacturing said pipe. This pipe includes at least one corrugated bendable portion based on at least one thermoplastic material and which includes a succession of radial reliefs axially spaced so as to form hollows between them, each relief having two frontal regions linked together by an intermediate region, the frontal regions of each relief each having one and the same overall polygonal contour defining at least three straight sections forming flats for this relief and interlinked by rounded sections forming bulges, and the contours of the successive reliefs being adapted to allow for the stripping of the corrugated portion from two hemicylindrical shells of a mold along a single axial stripping plane.

Abstract: A corrugated plate structure including a plurality of first rows of members, each first row including a first plurality of members connected end-to-end lengthwise. Each first row has members of variable widths along its length to define a first edge, and the first edge is similarly shaped for each first row. The corrugated plate structure further includes a plurality of second rows of members, each second row including a second plurality of members connected end-to-end lengthwise. Each second row has members of variable widths along its length to define a second edge, and the second edge is similarly shaped for each second row. The first edge and the second edge are complementary in shape, and the first rows and second rows are connected side-by-side along their first and second edges, where each member of the first row is interconnected with one member of the second row.

Abstract: An air delivery conduit includes a tube including a plurality of corrugations. The corrugations vary along a length of the tube to change flexibility and/or stretch characteristics of the tube in one or more specific zones.

Abstract: The present invention relates to a flexible tube with folding bellows and a plurality of convolutes formed in the wall of the tube and the folding bellows has a convolute which has two opposite bending zones and two restricted elongation zones, where the arrangement has the restricted elongation zones between the opposite bending zones, and the height of the external surface of the convolutes in the restricted elongation zones is below the height of the external surface of the convolutes in the bending zones but still above external surface of the tube, and the wall thickness of the flexible tube in at least one restricted elongation zone in at least one convolute, preferably in all convolutes, of the restricted elongation zones of the tube is specifically greater than the wall thickness in the bending zones.

Abstract: One aspect of the invention provides an energy dissipative tube including: a length of tubing; an inner resin layer surrounding an outer surface of said tubing; a metal foil adjacent to an outer surface of said inner resin layer; and an outer resin layer surrounding said metal foil and said inner resin layer. The outer resin has a property selected from the group consisting of: static dissipative and antistatic.

Abstract: An intercooler pipe for a vehicle may include an inlet which is positioned at an upper portion of the intercooler pipe; an upper bellows portion which forms an upper bellows body that protrudes in a rib shape from a surface of a pipe body extended in a direction toward the inlet; an outlet which is positioned at a lower portion of the intercooler pipe; a lower bellows portion which forms a lower bellows body that protrudes in a rib shape from a surface of the pipe body extended in a direction toward the outlet; and an intermediate portion which has the pipe body bent downward from the upper bellows portion and connected to the lower bellows portion, wherein a thickness of the pipe body of the intermediate portion is greater than a thickness of the upper bellows body and a thickness of the lower bellows body.

Abstract: A rotationally molded large-diameter pipe fitting, the wall structure of which is characterized as having a generally smooth interior surface and an exterior surface that is defined by a plurality of axially-spaced circumferentially extending ribs which are monolithically formed and homogeneous with the smooth interior surface of the fitting. The fitting is seamless and modularly designed with integral coupling elements at each terminal end, and with a ribbed wall structure profile capable of withstanding the loads typically found in buried applications with watertight performance requirements, where such ribbed wall structure meets the following dimensions and dimensional ratios: Rib Sidewall Angle (95-105 degrees); Bottom/Top Rib Thickness Ratio (1.80-2.80); Pitch/Rib Height Ratio (1.50-1.95); Rib Height/Fitting Diameter Ratio (0.04-0.09); and Avg. Rib Thickness/Rib Height Ratio (0.28-0.40).

Abstract: A retractable elastic pressure hose 30, comprising an inlet connector 22, an outlet connector 28, an inner elastic tube 34, and an outer cover 36. Outer cover 36 is designed to expand and contract radially and longitudinally in response to internal pressure and external tensions on the hose. Internal pressure within the hose tends to extend the elastic pressure hose against the retracting force of the inner elastic tube. Outer cover 36 can have a hollow circular braid structure similar to the cover on a bungee cord and is designed to stretch beyond its fully extended length by applying external tension on the elastic pressure hose.

Abstract: An extendable and retractable pressure hose can be constructed comprising an input connector, an output connector, an elastic inner hose, an outer cover, and one or more portions of the elastic inner hose engaged with the outer cover and disposed between the first and second ends of the hose. In such a hose, the input connector and output connector can be connected to each end of elastic inner hose and outer cover.

Abstract: A reinforced hose assembly includes tubular inner layers with a uniform interior radial surface and an exterior radial surface. The tubular inner layer defines a longitudinal axis along a length thereof and comprises a first fluorocarbon polymer. The reinforced hose assembly also includes a bonding layer comprising a second fluorocarbon polymer. The bonding layer is disposed about the exterior radial surface of the tubular inner layer. The reinforced hose assembly also includes a reinforcing element comprising the second fluorocarbon polymer, attached to bonding layer and helically disposed about the tubular inner layer at a predetermined helical pitch measured relative to the longitudinal axis of the tubular inner layer.

Abstract: A retractable pressure hose can be created which comprises an inlet connector, an outlet connector, an inner elastic tube, an outer cover, and a lubricant disposed to reducing chafing between the inner elastic tube and the outer cover. In such a hose, the lubricant can comprise a solid lubricant such as paraffin wax or other slippery solids, a liquid lubricant such as olive oil or other slippery liquids, or a combination of solid and/or liquid lubricants.

Abstract: A length of flexible helically corrugated rubber tubing is provided with certain characteristics that enable it to be axially compressed to less than half of its normal relaxed length using minimal force while still providing a high resistance to crushing. The tubing has a wall with a uniform thickness, the wall defining external and internal threads with a specially defined pitch and thread height related to the wall thickness.

Abstract: A fluid tube is disclosed herein. The breathing circuit tube has a wall which comprises a hollow geometry. The wall defines a passageway with a central longitudinal axis therethrough. The wall is expandable and contractible to adjust a diameter and a length of the passageway. The wall includes one or more corrugations that expand and contract to adjust the diameter and length of the passageway. The corrugations extend between terminal end portions of the wall.

Abstract: One aspect of the invention provides an energy dissipative tube including: a length of tubing; an inner resin layer surrounding an outer surface of said tubing, wherein said inner resin layer is substantially free of a fire retardant; a non-expanded metal foil adjacent to an outer surface of said inner resin layer; and an outer resin layer surrounding said metal foil and said inner resin layer, wherein said outer resin layer includes a fire retardant. Another aspect of the invention provides an energy dissipative tube include: a length of tubing; an inner resin layer surrounding an outer surface of said tubing, wherein said inner resin layer is static dissipative; a non-expanded metal foil adjacent to an outer surface of said inner resin layer; and an outer resin layer surrounding said metal foil and said inner resin layer, wherein said outer resin layer is conductive.

Abstract: In order to connect a connection piece (10), which is, for example, a pipe coupling or a mounting or a fitting, to a thermally insulated conduit pipe (1), a clamping sleeve (9) with an internal thread (8) is screwed in between the internal pipe (2) of the conduit pipe and the insulation layer (3) of said conduit pipe. A connection body (11) with a plug sleeve (13) is arranged in the internal pipe beforehand. The clamping sleeve (9) acts indirectly on the connection piece (10) by means of a retaining ring (14) in order to press said connection piece against the end face (5) of the internal pipe (2). In this way, the distance between the insulation layer (3) and the casing (4) of the conduit pipe is dispensed with and inaccuracies when cutting the conduit pipe to length can be compensated.

Abstract: The invention relates to a vibration absorbing pipe for a refrigeration compressor including: a corrugated pipe; a first connection pipe having concavo and convex portions; a wire braided net adapted to be fitted to the outer peripheral surfaces of the corrugated pipe and the first connection pipe; and a first compression ring having concavo and convex portions formed on the inner peripheral surface thereof in such a manner as to be compressed against the front end periphery of the wire braided net located just on the top of the first connection pipe, wherein the first connection pipe has an adjusting groove formed on one side outer peripheral surface thereof, so that through the width adjustment of the adjusting groove, a thickness of one side bonding portion of the first connection pipe is the same as a thickness of one side bonding portion of the corrugated pipe.

Abstract: A process for manufacturing a bellows, made of austenitic high-grade steel with high compressive strength and fatigue strength, forms a single-layer or multilayer sleeve into a bellows with hydraulic forming. The pressure resistance and fatigue strength are improved by the bellows being cleaned after the forming and by the bellows being exposed to a surrounding area containing carbon and/or nitrogen atoms at temperatures between 100° C. and 400° C., preferably 200° C. to 320° C. With this a hardening of the bellows takes place by means of the diffusing in of carbon and/or nitrogen atoms. A bellows made of austenitic high-grade steel with one or more layers created in this manner has the edge layer hardened by the incorporation of carbon and/or nitrogen atoms up to a hardening depth of at least 5% of the wall thickness.

Abstract: A flexible tube includes a bellows tube, an interlock tube placed inside the bellows tube, and upstream-side and downstream-side joint pipes coupled to opposite ends of the bellows tube. Diameters of fixing end portions located at opposite ends of the interlock tube are made larger than a diameter at a middle portion of the interlock tube, extension portions of the upstream-side and downstream-side joint pipes are fitted and fixed to inner peripheral surfaces of the fixing end portions of the interlock tube, and a depth of each of valley portions of a bellows portion of the bellows tube located over the fixing end portions is smaller than a depth of other valley portions of the bellows portion. Accordingly, it is possible to achieve the downsizing of the flexible tube that is connected to an exhaust system being continuous with an engine to dampen vibrations in the axial direction of the exhaust system.

Abstract: A flexible tube for an exhaust pipe of an automobile includes a bellows member having corrugations thereon; an interlocking member positioned in the bellows member with a predetermined gap from the bellows member and having a spiral groove formed thereon to absorb deformation; a braid member positioned to surround the outside portion of the bellows member and braided to be flexibly deformed with a large displacement with respect to a displacement and tension in a compression direction; cap members coupled for fixing the braid member on the outside of the both ends of the bellows member; and intermediate members formed in the shape of a ring and having one end fixed to the bellows member and the other end fixed to the interlocking member by overlapping the interlocking member inwards, wherein the bellows member has protrusion portions, a center part and both end parts.

Abstract: A fluid tube is disclosed herein. The breathing circuit tube has a first terminal end portion, a second terminal end portion, and a wall which extends between the first terminal end portion and the second terminal end portion. The wall comprises a hollow geometry defining a passageway with a central longitudinal axis therethrough. The wall further defines one or more expandable corrugations spaced radially around and parallel to the central axis.

Abstract: Flexible hose a corrugated wall of which an outer surface comprises a multitude of consecutive protrusions (1) and grooves (2) and of which an inner surface comprises a multitude of internal protrusions (4) and grooves (3), a multitude of barriers for closing off each of the multitude of internal and/or external grooves (2), each of the multitude of barriers comprising a first closing leg (10, 12) of a first profile part and a second closing leg (11, 13) of a second profile part, the second closing leg being directed to the first closing leg, the first and second closing legs having a complementary shape provided to form a substantially smooth inner and/or outer surface.

Abstract: The present invention generally relates to wireless flexible hose articles and methods. Some embodiments include low-mass hoses. Furthermore, some embodiments can comprise methods for making and/or using such hose articles.

Abstract: Provided is a flexible tube which is used to load fluid from a floating facility on the sea onto a tanker, which is suitable for transport of cryogenic fluid such as LNG, and which is capable of quickly and reliably detecting leakage of the fluid in the tube. Also provided is a structure for detecting leakage of fluid in a tube. A water impermeable and heat insulating layer is provided on the outer periphery of a heat insulating layer. The water impermeable and heat insulating layer, together with the heat insulating layer, thermally insulates LNG flowing through a corrugated tube from the outside of a flexible tube. Unlike the heat insulating layer, the water impermeable and heat insulating layer is poor in liquid permeability, and fluid such as LNG hardly permeates the water impermeable and heat insulating layer. That is, the water impermeable and heat insulating layer serves as a water impermeable layer between the inside and outside of the water impermeable and heat insulating layer.

Abstract: A twin-wall pipe comprises an internal pipe and an external pipe. The external pipe is corrugated, having elevations and troughs. The twin-wall pipe is further provided with a socket. In a transition portion towards the twin-wall pipe and the socket, provision is made for at least one overflow passage which interconnects the clearance between the external pipe and internal pipe in the vicinity of the transition portion and an adjacent elevation. a?b refers to the radial height b of the overflow passage relative to its width a in the circumferential direction.

Abstract: A passage restricting member is attached to a corrugated tube. This corrugated tube includes a corrugated tube, a passage maintenance member, and an attachment member. The passage maintenance member is die-molded so as to maintain a shape in which at least a portion is curved in the longitudinal direction, and the transverse cross-section is arc shaped. The passage maintenance member has an opening penetrating to the internal peripheral side and the external peripheral side. The attachment member has an internal peripheral engaging part engaging with an internal peripheral portion of a slit in the corrugated tube, an external peripheral engaging part engaging with an external peripheral portion of the opening in the passage maintenance member, and a connecting part for connecting the internal peripheral engaging part and the external peripheral engaging part while disposed in the slit and the opening.

Abstract: A tubular component with an end section has a profile, wherein the profile comprises a plurality of holding elements axially offset in longitudinal direction of the end section. The holding elements comprise at least one first azimuthal contour region and at least one second azimuthal contour region, wherein the outer contour of a holding element in the first contour region at least in sections is lowered or raised relative to the second contour region and wherein the first contour regions of at least two holding elements are offset relative to each other in azimuthal direction.

Abstract: The invention provides a method for manufacturing a climate control duct, the method capable of improving a characteristic of transferring a shape of a protrusion onto a surface of a duct and capable of preventing reduction in ventilation efficiency. In order to manufacture a climate control duct having a protrusion formed on an outer peripheral surface thereof, the method includes subjecting an extruded foamed resin to blow molding by use of a duct-shaped mold in which a groove for transfer of a shape of the protrusion is formed on at least part of a surface thereof. Herein, the following relations are satisfied: 0.5 mm<D<5 mm, D<W<4×D, and W<2×T, in which W represents a width of the groove, D represents a depth of the groove, and T represents a thickness of the foamed resin.

Abstract: The flexible hose of the present invention is crush resistant, burst resistant, and virtually impossible to kink in normal use and is applicable to hoses that are designed for delivering virtually any kind of fluid including water, organic liquids, aqueous based herbicides, aqueous based insecticides, industrial chemicals, beverages, air, industrial gases, vacuum, and the like. The hose design of the present invention is particularly applicable to garden hoses for the delivery of water. In fact, garden hoses having the construction of the present invention are highly resistant to kinking and almost never kink when being used in conventional lawn, garden, and cleaning applications.

Abstract: An extendible and collapsible pressure hose system can be created which comprises a collapsible pressure hose with a hose output connector mounted on one end and a fluid control system mounted on the other. In such a system, the collapsible pressure hose can, but need not comprise a coiled support wire, a convoluted hose body and/or an outer reinforcement cover. A fluid control system can comprise an input connector attached to hose, input connector housing, a main valve, and a pump. In such a fluid control system, the main valve can direct fluid within hose in three modes: 1) an open mode, where fluid pressure extends hose for use, 2) a retract mode, where the pump is used to pump fluid out of the hose, and 3) a closed mode, where no fluid can flow and in which the hose can be stowed.